Question

Values given:- a= -1, b=2, c= -2, x=-3
Solve:-
2a(b-c)- 7 (x - 2a)

Answer 1

-1 is the answer....

Answer 2

putting the value os a b c and x

2×(-1){2-(-2)}-7{(-3)-2(-1)}
-2×(2+2)-7(-3+2)
-2×4-7×1
-8-7
-15